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Systematic significance of pollen arrangement in MICROSPORANGIA OF POACEAE AND Cyperaceaei REVIEW AND OBSERVATIONS ON REPRESENTATIVE TAX A
An anatomical survey of anthers of the Poaceae and Cyperaceae and two related families, the Restionaceae and Flagellariaceae, was conducted to determine the taxonomic distribution and possibleExpand
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Foliar anatomy ofPolygonum (Polygonaceae): Survey of epidermal and selected internal structures
Several anatomical characters in leaves were described, and their distribution determined, for 153 species ofPolygonum, mostly from herbarium specimens. Structures surveyed were epidermal (glandularExpand
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Anatomy and cytology of microsporogenesis in cytoplasmic male sterile angiosperms
ConclusionsThe studies reviewed date from 1925 to 1972 and contain extensive anatomical and cytological information all too often incomplete or vague. The terminology for microsporogenesis used isExpand
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Unique calcium oxalate "duplex" and "concretion" idioblasts in leaves of tribe Naucleeae (Rubiaceae).
PREMISE OF THE STUDY This basic study may help plant biologists better understand the variety and occurrence of crystal forms and their function in plants. Literature records hold four examples ofExpand
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Internal secretory structures in Hypericum (Clusiaceae): H. perforatum L. and H. balearicum L.
SUMMARY Hypericum species have translucent oil cavities; many species also have superficially similar black internal structures. Contradictory descriptions of both structures emerged from 19thExpand
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Leaf anatomy inCaesalpinia andHoffmannseggia (Leguminosae, Caesalpinioideae) with emphasis on secretory structures
Leaflets of 65 species ofCaesalpinia s.l. and seven species ofHoffmannseggia were studied in clearings supplemented by resin sections and scanning electron microscopy. Three types of secretoryExpand
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Survey of leaf anatomy, especially secretory structures, of tribeCaesalpinieae (Leguminosae, Caesalpinioideae)
We studied leaflet anatomy, emphasizing secretory structures, from herbarium specimens of 128 species of 44 genera of tribeCaesalpinieae, using clearings, resin sections, and scanning electronExpand
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Calcium oxalate crystal types and trends in their distribution patterns in leaves ofPrunus (Rosaceae: Prunoideae)
Calcium oxalate crystal types and distribution within leaves ofPrunus sensu lato (Rosaceae; Prunoideae) were surveyed from mostly herbarium specimens (196 specimens of 131 species of all fiveExpand
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Crystal macropatterns in leaves of Fagaceae and Nothofagaceae: a comparative study
SummaryCrystal macropatterns in Fagaceae and Nothofagaceae were examined from cleared herbarium leaves (eight genera, 122 spp.) by polarizing microscopy. Prisms and druses dominate, but previouslyExpand
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